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        <h1>歌曲列表</h1>
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       <ul>
           <li><a href="oneM.html" target="show">第一首歌</a></li>
           <li><a href="twoM.html" target="show">第二首歌</a></li>
           <li><a href="threeM.html" target="show">第三首歌</a></li>
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